TriMas Ownership | Who Owns TriMas?


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TriMas Ownership Summary


TriMas is owned by 94.81% institutional investors, 22.14% insiders. Vanguard group is the largest institutional shareholder, holding 9.59% of TRS shares. Allspring Special Small Cap Value A is the top mutual fund, with 5.15% of its assets in TriMas shares.

TRS Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockTriMas94.81%22.14%-16.95%
SectorConsumer Cyclical Stocks 60.36%14.27%25.37%
IndustryPackaging & Containers Stocks 69.92%19.41%10.67%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group3.90M9.59%$95.80M
Allspring global investments3.13M7.70%$74.54M
Blackrock3.13M7.64%$80.07M
Blackrock funding, inc. /de2.61M6.42%$74.67M
Dimensional fund advisors lp2.54M6.26%$62.49M
Wellington management group llp2.45M6.03%$60.24M
Pzena investment management2.12M5.22%$52.15M
Bellecapital1.19M2.92%$33.93M
Advisory research1.05M2.58%$29.95M
Medina value partners1.03M2.55%$25.45M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Barington capital group621.00K16.53%$17.77M
Medina value partners1.03M10.43%$25.45M
Bellecapital1.19M6.02%$33.93M
Alta fox capital management742.00K5.77%$21.23M
Advisory research1.05M4.60%$29.95M
Irenic capital management lp901.93K3.81%$25.80M
Roubaix capital212.82K2.92%$6.09M
Ophir asset management pty253.79K1.44%$9.06M
Icon advisers inc/co140.00K0.91%$4.01M
Kennedy capital management771.90K0.53%$22.08M

Top Buyers

HolderShares% AssetsChange
Ophir asset management pty253.79K1.44%253.79K
J. goldman & co lp223.44K0.15%223.44K
Arrowstreet capital, limited partnership249.93K0.01%165.93K
Norges bank146.49K0.00%146.49K
Icon advisers inc/co140.00K0.91%140.00K

Top Sellers

HolderShares% AssetsChange
Fiduciary management inc /wi/---2.61M
River road asset management---1.39M
Blackrock funding, inc. /de2.61M0.00%-420.41K
Orchard capital management---363.00K
Champlain investment partners---351.14K

New Positions

HolderShares% AssetsChangeValue
Ophir asset management pty253.79K1.44%253.79K$9.06M
J. goldman & co lp223.44K0.15%223.44K$6.39M
Norges bank146.49K0.00%146.49K$3.60M
Icon advisers inc/co140.00K0.91%140.00K$4.01M
Rice hall james & associates85.07K0.13%85.07K$2.43M

Sold Out

HolderChange
Stephens consulting-15.00
Mather group, llc.-17.00
Smartleaf asset management-18.00
Parkside financial bank & trust-20.00
Larson financial group-25.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20251657.14%38,519,456-3.02%940.99%83-1.19%5928.26%
Mar 31, 20251524.11%39,677,465-2.01%970.98%8323.88%45-6.25%
Dec 31, 202495-37.09%29,393,654-23.97%720.80%39-36.07%30-50.82%
Sep 30, 2024151-5.63%38,661,472-1.39%951.03%61-24.69%6112.96%
Jun 30, 2024158-0.63%39,179,502-0.93%951.04%8110.96%53-10.17%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Allspring Special Small Cap Value A2.09M5.15%-143.63K
FMI Common Stock Investor1.45M3.57%-230.00K
Vanguard Total Stock Mkt Idx Inv1.19M2.92%-50.62K
Vanguard US Total Market Shares ETF1.15M2.83%-197.60K
Vanguard Small Cap Index887.88K2.18%-5.78K
Advisory Research Partners885.00K2.18%-
iShares Russell 2000 ETF785.96K1.93%-14.91K
Champlain Small Company Fund, LLC739.28K1.82%-4.85K
MFS New Discovery Value I713.39K1.76%-5.38K
Vanguard Small Cap Value Index Inv571.70K1.41%1.26K

Recent Insider Transactions


DateNameRoleActivityValue
Aug 11, 2025Tredwell Daniel P-Buy$2.35K
Jun 05, 2025SHAPIRA ADRIANNE-Buy$103.29K
Jun 04, 2025SHAPIRA ADRIANNE-Buy$31.57K
May 21, 2025SEDAGHAT SHAWN Buy$10.43M
May 22, 2025SEDAGHAT SHAWN Buy$1.91M

Insider Transactions Trends


DateBuySell
2025 Q31-
2025 Q211-
2025 Q1111
2024 Q421
2024 Q31-

TRS Ownership FAQ


Who Owns TriMas?

TriMas shareholders are primarily institutional investors at 94.81%, followed by 22.14% insiders and -16.95% retail investors. The average institutional ownership in TriMas's industry, Packaging & Containers Stocks , is 69.92%, which TriMas exceeds.

Who owns the most shares of TriMas?

TriMas’s largest shareholders are Vanguard group (3.9M shares, 9.59%), Allspring global investments (3.13M shares, 7.70%), and Blackrock (3.13M shares, 7.64%). Together, they hold 24.93% of TriMas’s total shares outstanding.

Does Blackrock own TriMas?

Yes, BlackRock owns 7.64% of TriMas, totaling 3.13M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 80.07M$. In the last quarter, BlackRock decreased its holdings by -27.274K shares, a -0.86% change.

Who is TriMas’s biggest shareholder by percentage of total assets invested?

Barington capital group is TriMas’s biggest shareholder by percentage of total assets invested, with 16.53% of its assets in 621K TriMas shares, valued at 17.77M$.

Who is the top mutual fund holder of TriMas shares?

Allspring Special Small Cap Value A is the top mutual fund holder of TriMas shares, with 5.15% of its total shares outstanding invested in 2.09M TriMas shares.

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